639681792

素因数分解:

$2^8\times 3^1\times {\mathrm{832919}}^1$

素因数の和:832938

約数の個数: 36

約数和(自身を含む): 1702488480

約数和(自身を除く): 1062806688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 832919, 1665838, 2498757, 3331676, 4997514, 6663352, 9995028, 13326704, 19990056, 26653408, 39980112, 53306816, 79960224, 106613632, 159920448, 213227264, 319840896, 639681792]

約数ペア:

[(1, 639681792), (2, 319840896), (3, 213227264), (4, 159920448), (6, 106613632), (8, 79960224), (12, 53306816), (16, 39980112), (24, 26653408), (32, 19990056), (48, 13326704), (64, 9995028), (96, 6663352), (128, 4997514), (192, 3331676), (256, 2498757), (384, 1665838), (768, 832919)]